diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc
index 945c40b793..02758ac043 100644
--- a/src/cpu/simple/base.cc
+++ b/src/cpu/simple/base.cc
@@ -94,8 +94,8 @@ BaseSimpleCPU::BaseSimpleCPU(BaseSimpleCPUParams *p)
     if (FullSystem)
         thread = new SimpleThread(this, 0, p->system, p->itb, p->dtb);
     else
-        thread = new SimpleThread(this, /* thread_num */ 0, p->workload[0],
-                p->itb, p->dtb);
+        thread = new SimpleThread(this, /* thread_num */ 0, p->system,
+                p->workload[0], p->itb, p->dtb);
 
     thread->setStatus(ThreadContext::Halted);
 
diff --git a/src/cpu/simple_thread.cc b/src/cpu/simple_thread.cc
index e193b12732..1781c28500 100644
--- a/src/cpu/simple_thread.cc
+++ b/src/cpu/simple_thread.cc
@@ -59,9 +59,11 @@
 using namespace std;
 
 // constructor
-SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, Process *_process,
-                           TheISA::TLB *_itb, TheISA::TLB *_dtb)
-    : ThreadState(_cpu, _thread_num, _process), itb(_itb), dtb(_dtb)
+SimpleThread::SimpleThread(BaseCPU *_cpu, int _thread_num, System *_sys,
+                           Process *_process, TheISA::TLB *_itb,
+                           TheISA::TLB *_dtb)
+    : ThreadState(_cpu, _thread_num, _process), system(_sys), itb(_itb),
+      dtb(_dtb)
 {
     clearArchRegs();
     tc = new ProxyThreadContext<SimpleThread>(this);
diff --git a/src/cpu/simple_thread.hh b/src/cpu/simple_thread.hh
index 39cb96c3ab..b6dc8f0475 100644
--- a/src/cpu/simple_thread.hh
+++ b/src/cpu/simple_thread.hh
@@ -137,8 +137,8 @@ class SimpleThread : public ThreadState
                  TheISA::TLB *_itb, TheISA::TLB *_dtb,
                  bool use_kernel_stats = true);
     // SE
-    SimpleThread(BaseCPU *_cpu, int _thread_num, Process *_process,
-                 TheISA::TLB *_itb, TheISA::TLB *_dtb);
+    SimpleThread(BaseCPU *_cpu, int _thread_num, System *_system,
+                 Process *_process, TheISA::TLB *_itb, TheISA::TLB *_dtb);
 
     SimpleThread();